Fluid Mechanics

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Rotational flow

a flow is rotational if the fluid particles while moving in the direction of flow rotate about their mass centres

laminar flow

a type of flow inwhich individual particles do not cross on another and move along well defined paths

Irrotational flow

the fluid particles don't rotate about their mass centres

Langrangian method

the method that is the study of the behavior one particle in the fluid during motion

Eulerian Method

the observer concentrates on apoint in the fluid system

steady flow

the type of flow in which the fluid characteristics like velocity etc at apoint do not change with time

One dimensional flow

the type of flow inwhich the flow parameter such as velocity is a function of time and one space co-ordinate only.

The method of motion of fluid particles are ............................. and ....................................

1. Langrangian and Eulerian methods

Turbulent flow

A type of flow in which particles move in a zig zag way

Fluid Kinematics

It deals with the velocity and acceleration of the particles of fluids in motion and their distribution in space without considering any force

Incompressible Flow

It is that type of flow in which density is constant for the fluid flow .

Compressible fow

It is that type of flow in which the density of the fluid changes from point to point .

Three dimensional flow

It is that type of flow in which the velocity is a function of time and three mutually perpendicular directions

Two dimensional flow

The flow in which the velocity is a function of time and two rectangular space coordinates

Unsteady Flow

The type of flow in which the fluid characteristics like velocity, pressure, density, etc. at a point change with respect to time.

Non Uniform flow

The type of flow in which the velocity at any given time changes with respect to space

Uniform Flow

The type of flow that does not change with respect to space


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